<template>
    <div>
        <div style="margin: 10px 0;float: left" >
            <div style="padding: 10px 0">
                <el-input style="width:200px" placeholder="请输入名称.." suffix-icon="el-icon-search" v-model="name"></el-input>
<!--                <el-input style="width:200px" placeholder="请输入地址.." suffix-icon="el-icon-search"class="ml-5" v-model="email"></el-input>-->
                <!--            <el-input style="width:200px" placeholder="请输入邮箱.." suffix-icon="el-icon-search"class="ml-5"></el-input>-->
                <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
                <el-button type="warning" @click="rest">重置</el-button>
                <el-upload
                        action="http://localhost:9911/file/upload"
                        :show-file-list="false"
                        :on-success="handleFileUploadSuccess"
                        style="display: inline-block" >
                    <el-button type="primary" class="ml-5">上传文件<i class="el-icon-top"></i></el-button>
                </el-upload>
                <el-popconfirm
                        class="ml-5"
                        confirm-button-text='好的'
                        cancel-button-text='不用了'
                        icon="el-icon-info"
                        icon-color="red"
                        title="您确定批量删除吗？"
                        @confirm="delBatch"
                >
                    <el-button type="danger" slot="reference">批量删除<i class="el-icon-minus"></i></el-button>
                </el-popconfirm>

            </div>
        </div>
        <el-table :data="tableData" border stripe :header-cell-class-name="headerBg" @selection-change="handleSelectionChange">
            <el-table-column
                    type="selection"
                    width="55">
            </el-table-column>
            <el-table-column prop="id" label="id" width="80">
            </el-table-column>
            <el-table-column prop="name" label="文件名称" width="140">
            </el-table-column>
            <el-table-column prop="type" label="文件类型" width="120">
            </el-table-column>
            <el-table-column prop="size" label="文件大小">
            </el-table-column>
            <el-table-column  label="下载">
                <template slot-scope="scope">
                    <el-button type="primary" @click="download(scope.row.url)">下载</el-button>
                </template>
            </el-table-column>
            <el-table-column label="启用">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.enable"
                               active-color="#13ce66"
                               inactive-color="#ccc"
                               @change="changeEnable(scope.row)"></el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-button type="warning" @click="handleEdit(scope.row)">编辑</el-button>

                    <el-popconfirm
                            class="ml-5"
                            confirm-button-text='好的'
                            cancel-button-text='不用了'
                            icon="el-icon-info"
                            icon-color="red"
                            title="您确定删除吗？"
                            @confirm="del(scope.row.id)"
                    >
                        <el-button type="danger" slot="reference">删除</el-button>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        <div style="padding: 10px 0">
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="currentPage4"
                    :page-sizes="[5, 10, 15, 20]"
                    :page-size="pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total">
            </el-pagination>
        </div>
    </div>
</template>

<script>
    export default {
        name: "File",
        data(){
            return{
                tableData:[],
                total: 0,
                pageNum:1,
                pageSize:5,
                name:'',
                multipleSelection:[],
            }
        },
        created() {
            this.load()
        },
        methods:{
            load(){
                this.request.get("/file/page",
                    {
                        params:{
                            pageNum:this.pageNum,
                            pageSize:this.pageSize,
                            name:this.name
                        }
                    })
                    .then(res =>{
                        this.tableData = res.data.records;
                        this.total = res.data.total
                    })
                // fetch("http://localhost:9911/user/page?pageNum="+this.pageNum+"&pageSize="+this.pageSize +"&username="+this.username)
                //         .then(res => res.json()).then(res => {
                //   console.log(res)
                //   this.tableData = res.data
                //   this.total = res.total
                // })
            },

            // 增
            save(){
                this.request.post("/file",this.form).then(res=>{
                    if (res.data){
                        this.$message.success("保存成功！")
                        this.dialogFormVisible=false
                        this.load()
                    }
                    else
                        this.$message.error("保存失败！")
                })
            },

            handleAdd(){
                this.dialogFormVisible=true
                this.form={}
            },
            // 改
            handleEdit(row){
                this.form = Object.assign({},row)
                this.dialogFormVisible=true
            },
            // 删
            del(id){
                this.request.delete("/file/"+id).then(res=>{
                    if (res.code==='200'){
                        this.$message.success("删除成功！")
                        this.load()
                    }
                    else
                        this.$message.error("删除失败！")
                })
            },
            handleSelectionChange(val){
                this.multipleSelection=val
            },
            delBatch(){
                let ids = this.multipleSelection.map(v=> v.id)// [{},{},{}] => [1,2,3]
                this.request.post("/file/del/batch",ids).then(res=>{
                    if (res.code==='200'){
                        this.$message.success("删除成功！")
                        this.load()
                    }
                    else
                        this.$message.error("删除失败！")
                })
            },

            handleSizeChange(pageSize){
                this.pageSize = pageSize
                this.load()
            },
            handleCurrentChange(pageNum){
                this.pageNum = pageNum
                this.load()
            },
            rest(){
                this.name=""
                this.load()
            },
            exp(){
                window.open("http://localhost:9911/file/export")
            },
            handleExcelImportSuccess(){
                this.$message.success("导入成功")
                this.load()

            },
            handleFileUploadSuccess(res){
                this.load()
            },
            // 下载
            download(url){
                window.open(url)
            },
            // 启用停用
            changeEnable(row){
                this.request.post("/file/update",row).then(res=>{
                    if (res.code==='200'){
                        this.$message.success("操作成功！")
                        this.load()
                    }
                    else
                        this.$message.error("操作失败！")
                })
            }
        }
    }
</script>

<style scoped>

</style>